Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5601112 | Check valve | Mutsuo Sekiya, Hirofumi Doi, Takakazu Tochimoto | 1997-02-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5601112 | Check valve | Mutsuo Sekiya, Hirofumi Doi, Takakazu Tochimoto | 1997-02-11 |